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Anti-coagulants

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https://www.readbyqxmd.com/read/28930589/procoagulant-activity-during-viral-infections
#1
Saravanan Subramaniam, Inge Scharrer
The abundance of evidence suggest that inflammation of immune and non-immune cells may lead to an imbalance of the pro- and anti-coagulant state during viral infections. During systemic infections, the endothelium plays a critical role in regulating hemostasis, and severe imbalances of endothelial function and activation can contribute to organ failure. Viral infections may elevate plasma levels of procoagulant markers such as TAT and D-dimer TF-positive MPs as well as von Willebrand factor (vWF). Although multiple clinical studies are showing the association of viral infection and increased prothrombotic risk, the pathological mechanisms have not been fully identified for most viral infections...
January 1, 2018: Frontiers in Bioscience (Landmark Edition)
https://www.readbyqxmd.com/read/28929012/current-practice-in-the-management-of-new-onset-atrial-fibrillation-in-critically-ill-patients-a-uk-wide-survey
#2
Chung Shen Chean, Daniel McAuley, Anthony Gordon, Ingeborg Dorothea Welters
BACKGROUND: New-onset atrial fibrillation (AF) is the most common arrhythmia in critically ill patients. Although evidence base and expert consensus opinion for management have been summarised in several international guidelines, no specific considerations for critically ill patients have been included. We aimed to establish current practice of management of critically ill patients with new-onset AF. METHODS: We designed a short user-friendly online questionnaire...
2017: PeerJ
https://www.readbyqxmd.com/read/28927636/feasibility-of-coronary-fractional-flow-reserve-with-dual-anti-platelet-therapy-in-low-risk-coronary-lesions-without-systemic-anticoagulation-results-of-the-smart-ffr-study
#3
Fernando Boccalandro, Mandeep Dhindsa, Prem Subramaniyam, Mary Mok
BACKGROUND: Fractional flow reserve (FFR) is used to assess the functional significance of coronary artery stenoses. The optimal anti-thrombotic regimen for FFR has not been studied. PURPOSE: The goal of this study was to determine whether FFR could be safely performed in Type A coronary lesions, using only upstream dual anti-platelet therapy (DAT) with aspirin and clopidogrel, compared with DAT plus anticoagulation in low risk coronary lesions. METHODS/MATERIALS: Two hundred patients undergoing FFR for Type A intermediate coronary lesions were blindly randomized into two groups of 100 patients each...
August 18, 2017: Cardiovascular Revascularization Medicine: Including Molecular Interventions
https://www.readbyqxmd.com/read/28923772/reference-intervals-of-citrated-native-whole-blood-thromboelastography-in-premature-neonates
#4
Mario Motta, Brunetta Guaragni, Elena Pezzotti, Carmen Rodriguez-Perez, Gaetano Chirico
BACKGROUND: Bleeding due to acquired coagulation disorders is a common complication in premature neonates. In this clinical setting, standard coagulation laboratory tests might be unsuitable to investigate the hemostatic function as they reflect the concentration of pro-coagulant proteins but not of anti-coagulant proteins. Thromboelastography (TEG), providing a more complete assessment of hemostasis, may be able to overcome some of these limitations. Unfortunately, experience on the use of TEG in premature neonates is very limited and, in particular in this population, reference ranges of TEG parameters have not been yet evaluated...
September 15, 2017: Early Human Development
https://www.readbyqxmd.com/read/28920085/baseline-prescription-and-one-year-persistence-of-secondary-prevention-drugs-after-an-index-stroke-in-central-ghana
#5
Fred Stephen Sarfo, Bruce Ovbiagele, John Akassi, Gloria Kyem
BACKGROUND AND PURPOSE: There is a paucity of data on persistence of secondary prevention medications among stroke survivors in resource-limited settings where stroke is on a rapid upward trajectory and its management severely challenged. To avert new cardiovascular events after stroke, preventive medications should be promptly instituted and used continuously. We report 1-year rates and determinants of persistent utilization of secondary prevention therapies after stroke in Ghana. METHODS: A retrospective observational study involving 418 stroke survivors enrolled into a Neurology clinic in a tertiary institution in central Ghana between January 2011 and December 2013...
March 2017: ENeurologicalSci
https://www.readbyqxmd.com/read/28914800/effect-of-clotting-duration-and-temperature-on-bdnf-measurement-in-human-serum
#6
Patrizia Amadio, Leonardo Sandrini, Alessandro Ieraci, Elena Tremoli, Silvia Stella Barbieri
Brain-derived neurothrophic factor (BDNF) is a neurotrophin expressed in different tissues and cells, including neurons, endothelial cells, leukocytes, megakaryocytes and platelets. Modifications of BDNF in plasma and/or in serum are associated with neurodegenerative and psychiatric disorders, cardiovascular diseases, metabolic syndrome and with mortality risk. Indeed, changes in blood levels of BDNF may reflect those of its tissue of origin and/or promote pathological dysfunctions. The measurement of BDNF amount in plasma or in serum has been characterized with particular attention in the impact of different anti-coagulants, clotting duration, temperature (≤21 °C) and delay in blood sample centrifugation as well as in stability of storage...
September 15, 2017: International Journal of Molecular Sciences
https://www.readbyqxmd.com/read/28901992/european-guidelines-on-perioperative-venous-thromboembolism-prophylaxis-surgery-in-the-elderly
#7
Sibylle Kozek-Langenecker, Christian Fenger-Eriksen, Emmanuel Thienpont, Giedrius Barauskas
: The risk for postoperative venous thromboembolism (VTE) is increased in patients aged more than 70 years and in elderly patients presenting with co-morbidities, for example cardiovascular disorders, malignancy or renal insufficiency. Therefore, risk stratification, correction of modifiable risks and sustained perioperative thromboprophylaxis are essential in this patient population. Timing and dosing of pharmacoprophylaxis may be adopted from the non-aged population. Direct oral anti-coagulants are effective and well tolerated in the elderly; statins may not replace pharmacological thromboprophylaxis...
September 9, 2017: European Journal of Anaesthesiology
https://www.readbyqxmd.com/read/28893781/identification-of-heparin-modifications-and-polysaccharide-inhibitors-of-plasmodium-falciparum-merozoite-invasion-that-have-potential-for-novel-drug-development
#8
Michelle J Boyle, Mark Skidmore, Benjamin Dickerman, Lynsay Cooper, Antony Devlin, Edwin Yates, Paul Horrocks, Craig Freeman, Wengang Chai, James G Beeson
Despite recent successful control efforts, malaria remains a leading global health burden. Alarmingly, resistance to current antimalarials is increasing, and the development of new drug families is needed to maintain malaria control. Current antimalarials target the intra-erythrocytic developmental stage of the Plasmodium falciparum life cycle. However, the invasive extracellular parasite form, the merozoite, is also an attractive target for drug development. We have previously demonstrated that heparin-like-molecules, including those with low molecular weights and low anti-coagulant activities are potent and specific inhibitors of merozoite invasion and blood-stage replication...
September 11, 2017: Antimicrobial Agents and Chemotherapy
https://www.readbyqxmd.com/read/28890375/anti-inflammatory-properties-of-glpss58-a-sulfated-polysaccharide-from-ganoderma-lucidum
#9
Kai Zhang, Yanfang Liu, Xiangli Zhao, Qingjiu Tang, Jens Dernedde, Jingsong Zhang, Hua Fan
Sulfated polysaccharides exhibit various biological properties, including anti-coagulant, anti-oxidant, anti-viral, anti-cancer, anti-inflammatory and immune regulatory activities. In the present study, the anti-inflammatory properties of GLPss58, a sulfated polysaccharide from Ganoderma lucidum formed by chemical sulfation, were investigated. We found that GLPss58 inhibited L-selectin/sTyr-sLeX binding significantly, blocked the binding of anti-L-selectin antibodies to L-selectin on the surface of human peripheral blood lymphocytes, and inhibited the secondary lymphoid tissue chemokine-induced chemotactic invasion of HPBLs...
September 7, 2017: International Journal of Biological Macromolecules
https://www.readbyqxmd.com/read/28875370/how-prepared-are-pharmacists-to-support-atrial-fibrillation-patients-in-adhering-to-newly-prescribed-oral-anticoagulants
#10
Nadya Hamedi, Filipa Alves da Costa, Robert Horne, Michael Levitan, Amanda Begley, Sotiris Antoniou
Background The New Medicines Service (NMS) was implemented in the United Kingdom in 2011 and first evaluated in 2014, showing 10% increase on adherence. Objective To assess community pharmacists' current practice, knowledge and confidence in supporting patients' adherence as part of the NMS for patients on Oral Anti-Coagulants (OACs) for stroke prevention in Atrial Fibrillation. Setting Community pharmacists in London. Method An online cross-sectional survey was sent to pharmacists from their Local Pharmaceutical Committees and advertised by the Royal Pharmaceutical Society...
September 5, 2017: International Journal of Clinical Pharmacy
https://www.readbyqxmd.com/read/28870875/which-is-the-best-anti-aggregant-or-anti-coagulant-therapy-after-tavi-a-propensity-matched-analysis-from-the-iter-registry-the-management-of-dapt-after-tavi
#11
Fabrizio D'Ascenzo, Umberto Benedetto, Matteo Bianco, Federico Conrotto, Claudio Moretti, Augusto D'Onofrio, Marco Agrifoglio, Antonio Colombo, Flavio Ribichini, Giuseppe Tarantini, Maurizio D'Amico, Stefano Salizzoni, Fiorenzo Gaita
AIMS: Safety and efficacy of single vs. dual antiplatelet therapy (DAPT) in patients undergoing TAVI remain to be addressed. METHODS AND RESULTS: All consecutive patients enrolled in the ITER registry were included. Patients undergoing TAVI discharged with aspirin alone were compared to those assuming DAPT before and after selection with propensity score with matching. Subgroup analysis was performed for those on OAT. Prosthetic heart valve dysfunction at follow-up was the primary end point whereas all cause death, cardiovascular death, bleedings, vascular complications and cerebrovascular accidents were the secondary ones...
September 5, 2017: EuroIntervention
https://www.readbyqxmd.com/read/28866770/anti-coagulant-activity-of-plants-mini-review
#12
REVIEW
Muhammad Akram, Abid Rashid
Medicinal plants have been used for treatment of human ailments since ancient times. Objective of this study is to document the effect of herbal drugs on anticoagulant therapy. The material for this review was taken mostly from PubMed and the Cochrane database of systematic reviews. Some other relevant references were collected from personal database of papers on anti-coagulant properties of plants. Literature review shows that many plants such as Thymus vulgaris, Cyamopsis tetragonoloba taub, Pulmonaria officinalis and Cinnamomum cassia etc have anti-coagulant activity...
September 2, 2017: Journal of Thrombosis and Thrombolysis
https://www.readbyqxmd.com/read/28857905/incidence-of-cannula-associated-deep-vein-thrombosis-after-veno-venous-extracorporeal-membrane-oxygenation
#13
Jay Menaker, Ali Tabatabai, Raymond Rector, Katelyn Dolly, Joseph Kufera, Eugenia Lee, Zachary Kon, Pablo Sanchez, Si Pham, Daniel L Herr, Michael Mazzeffi, Ronald P Rabinowitz, James V O'Connor, Deborah M Stein, Thomas M Scalea
Limited literature regarding the incidence of cannula-associated deep vein thrombosis (CaDVT) after veno-venous extracorporeal membrane oxygenation (VV ECMO) exists. The purpose of this study was to identify the incidence of post decannulation CaDVT and identify any associated risk factors. Forty-eight patients were admitted between August 2014 and January 2016 to the Lung Rescue Unit were included in the study. Protocolized anticoagulation levels (partial thromboplastin time [PTT] 45-55 seconds) and routine post decannulation DVT screening were in place during the study period...
September 2017: ASAIO Journal: a Peer-reviewed Journal of the American Society for Artificial Internal Organs
https://www.readbyqxmd.com/read/28844981/marine-natural-product-peptides-with-therapeutic-potential-chemistry-biosynthesis-and-pharmacology
#14
REVIEW
Vedanjali Gogineni, Mark T Hamann
The oceans are a uniquely rich source of bioactive metabolites, of which sponges have been shown to be among the most prolific producers of diverse bioactive secondary metabolites with valuable therapeutic potential. Much attention has been focused on marine bioactive peptides due to their novel chemistry and diverse biological properties. As summarized in this review, marine peptides are known to exhibit various biological activities such as antiviral, anti-proliferative, antioxidant, anti-coagulant, anti-hypertensive, anti-cancer, antidiabetic, antiobesity, and calcium-binding activities...
August 24, 2017: Biochimica et Biophysica Acta
https://www.readbyqxmd.com/read/28843912/capture-of-anti-coagulant-active-ingredients-from-moutan-cortex-by-platelet-immobilized-chromatography-and-evaluation-of-anticoagulant-activity-in-rats
#15
Huihui Qiu, Li Zhang, Maomao Zhu, Minghua Zhang, Juan Chen, Liang Feng, Xiaobin Jia, Joe Antony Jacob
Moutan Cortex (MC) is a well-known Chinese medicine for promoting blood circulation and relieving blood stasis. The intent of this study was to evaluate the anticoagulant activity of MC and capture the bioactive compounds by platelet immobilized chromatography. Sprague Dawley (SD) rats were randomly divided into the control group, aspirin group and MC group (1.25, 2.5, 5g/kg/d). Coagulation system and platelet activity were investigated to evaluate the anti-coagulation effect of MC. The effective components of MC were captured by platelet immobilized chromatography...
August 24, 2017: Biomedicine & Pharmacotherapy, Biomédecine & Pharmacothérapie
https://www.readbyqxmd.com/read/28804104/%C3%AE-cyperone-inhibits-pma-induced-epcr-shedding-through-pkc-pathway
#16
Yu Ma, Yi Zhao, Ran Zhang, Xiaoxia Liang, Zhongqiong Yin, Yi Geng, Gang Shu, Xu Song, Yuanfeng Zou, Lixia Li, Lizi Yin, Guizhou Yue, Yinglun Li, Gang Ye, Changliang He
α-Cyperone, a sesquiterpene compound represents 25.23% of the total oil and is the most abundant compound in C. rotundus oil. Endothelial cell protein C receptor (EPCR) is a main member in Protein C (PC) anti-coagulation system. EPCR could be shed from cell surface, and is mediated by Tumor necrosis factor-α converting enzyme (TACE). Nothing that EPCR is a marker of vascular barrier integrity in vascular inflammatory disease and takes part in systemic inflammatory disease. In this study, we investigated whether α-cyperone could inhibit EPCR shedding...
August 11, 2017: Biological & Pharmaceutical Bulletin
https://www.readbyqxmd.com/read/28799521/transcatheter-mitral-valve-replacement-long-term-outcomes-of-first-in-man-experience-with-an-apically-tethered-device-a-case-series-from-a-single-centre
#17
Alison Duncan, Anan Daqa, James Yeh, Simon Davies, Anselm Uebing, Cesare Quarto, Neil Moat
AIMS: Transcatheter mitral valve replacement (TMVR) is a novel technique for treating mitral regurgitation. We report 18-month/2-year outcomes of the 5 first-in-man patients undergoing chronic TMVR with the Tendyne device. METHODS AND RESULTS: Five patients (STS score 14%-23%) underwent TMVR using a Tendyne system under compassionate use at a single centre. 1 patient (who was noncompliant with anti-coagulation) died 9 months after TMVR following a cerebrovascular accident...
August 13, 2017: EuroIntervention
https://www.readbyqxmd.com/read/28799251/comparison-of-anticoagulation-regimens-for-pregnant-women-with-prosthetic-heart-valves-a-meta-analysis-of-prospective-studies
#18
Jing Wang, Kangqi Li, Hongyan Li, Weiwei Zhu, Haiyan Sun, Congxiao Lu
INTRODUCTION: Pregnancy is associated with a hypercoagulable state, which makes pregnant women with prosthetic heart valves at high risk of thromboembolism. Proper anticoagulation regimen should take both the maternal protection and the fetal outcomes into consideration. However, no consensus on the present anticoagulation regimen for those women has been reached yet, especially in the first trimester of pregnancy. AIMS: The present meta-analysis is conducted to compare anticoagulation efficiency and feto-maternal complications of heparin and warfarin in the first trimester...
August 11, 2017: Cardiovascular Therapeutics
https://www.readbyqxmd.com/read/28790293/-critical-care-managements-after-lung-transplantation
#19
Masaki Anraku
Lung transplantation is a viable treatment option for patients with end-stage lung diseases such as interstitial pneumonia/pulmonary fibrosis, emphysema, pulmonary hypertension, and so on. Collecting available clinical, physiological, serological, and surgical information of both donor and recipient is vital when planning relevant postoperative managements. The goal of the managements is to keep the transplanted lung (s) functional while preventing/treating infection, rejection, and ischemiareperfusion lung injury...
July 2017: Kyobu Geka. the Japanese Journal of Thoracic Surgery
https://www.readbyqxmd.com/read/28789672/challenges-in-the-diagnosis-and-management-of-anti-phospholipid-syndrome-a-case-from-cameroon
#20
Ahmadou M Jingi, Liliane Mfeukeu-Kuate, Aurel T Tankeu, Narcisse Assene Ateba, Edvine Wawo Yonta, Jean Jacques Noubiap
BACKGROUND: Anti-phospholipid syndrome (APLS) is a condition characterized by the presence of raised plasma levels of anti-phospholipid antibodies associated with thrombo-embolic disease and/or poor obstetrical outcomes in women. The epidemiology of APLS is unknown in most sub-Saharan African countries due to limited access to diagnosis tools. We report the case of APLS in a 29-year-old obese woman that was preceded by pre-eclampsia and fetal death. The diagnosis of APLS was made during a thrombo-embolic episode 4 years after the poor obstetrical outcome...
August 8, 2017: BMC Research Notes
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